text: #include "edge-impulse-sdk/dsp/config.hpp"
  #if EIDSP_LOAD_CMSIS_DSP_SOURCES
  /* ----------------------------------------------------------------------
   * Project:      CMSIS DSP Library
   * Title:        arm_vlog_f32.c
   * Description:  Fast vectorized log
   *
   * $Date:        15. Octoboer 2019
   * $Revision:    V1.6.0
   *
   * Target Processor: Cortex-M cores
   * -------------------------------------------------------------------- */
  /*
   * Copyright (C) 2010-2019 ARM Limited or its affiliates. All rights reserved.
   *
   * SPDX-License-Identifier: Apache-2.0
   *
   * Licensed under the Apache License, Version 2.0 (the License); you may
   * not use this file except in compliance with the License.
   * You may obtain a copy of the License at
   *
   * www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an AS IS BASIS, WITHOUT
   * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   */
  
  #include "edge-impulse-sdk/CMSIS/DSP/Include/dsp/fast_math_functions.h"
  #include "edge-impulse-sdk/CMSIS/DSP/Include/arm_common_tables.h"
  
  #if (defined(ARM_MATH_MVEF) || defined(ARM_MATH_HELIUM) || defined(ARM_MATH_NEON) || defined(ARM_MATH_NEON_EXPERIMENTAL)) && !defined(ARM_MATH_AUTOVECTORIZE)
  #include "edge-impulse-sdk/CMSIS/DSP/Include/arm_vec_math.h"
  #endif
  
  void arm_vexp_f32(
    const float32_t * pSrc,
          float32_t * pDst,
          uint32_t blockSize)
  {
     uint32_t blkCnt; 
  
  #if (defined(ARM_MATH_MVEF) || defined(ARM_MATH_HELIUM)) && !defined(ARM_MATH_AUTOVECTORIZE)
     f32x4_t src;
     f32x4_t dst;
  
     blkCnt = blockSize >> 2;
  
     while (blkCnt > 0U)
     {
        src = vld1q(pSrc);
        dst = vexpq_f32(src);
        vst1q(pDst, dst);
  
        pSrc += 4;
        pDst += 4;
        /* Decrement loop counter */
        blkCnt--;
     }
  
     blkCnt = blockSize & 3;
  #else
  #if (defined(ARM_MATH_NEON) || defined(ARM_MATH_NEON_EXPERIMENTAL)) && !defined(ARM_MATH_AUTOVECTORIZE)
     f32x4_t src;
     f32x4_t dst;
  
     blkCnt = blockSize >> 2;
  
     while (blkCnt > 0U)
     {
        src = vld1q_f32(pSrc);
        dst = vexpq_f32(src);
        vst1q_f32(pDst, dst);
  
        pSrc += 4;
        pDst += 4;
        /* Decrement loop counter */
        blkCnt--;
     }
  
     blkCnt = blockSize & 3;
  #else
     blkCnt = blockSize;
  #endif
  #endif
  
     while (blkCnt > 0U)
     {
        /* C = log(A) */
    
        /* Calculate log and store result in destination buffer. */
        *pDst++ = expf(*pSrc++);
    
        /* Decrement loop counter */
        blkCnt--;
     }
  }
  
  #endif // EIDSP_LOAD_CMSIS_DSP_SOURCES
  